Support multiple video decoders and encoders

content/common/gpu/media/gpu_video_decode_accelerator.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_COMMON_GPU_MEDIA_GPU_VIDEO_DECODE_ACCELERATOR_H_
 #define CONTENT_COMMON_GPU_MEDIA_GPU_VIDEO_DECODE_ACCELERATOR_H_
 
 #include <map>
 #include <vector>
 
@@ skipping 52 matching lines @@
   // |init_done_msg| when done.
   void Initialize(const media::VideoCodecProfile profile,
                   IPC::Message* init_done_msg);
 
  private:
   class MessageFilter;
 
   // We only allow self-delete, from OnWillDestroyStub(), after cleanup there.
   ~GpuVideoDecodeAccelerator() override;
 
+  // Initialize video decode accelerator.
+  bool InitialDecoder(const media::VideoCodecProfile profile);

[Pawel Osciak, 2014/12/26 01:11:35]

Please explain the return value and more of what this does.

[henryhsu, 2014/12/26 08:40:40]

Done.

+

[Pawel Osciak, 2014/12/26 01:11:35]

s/Initial/Initialize/

Also, no need for const.

[henryhsu, 2014/12/26 08:40:40]

Done.

   // Handlers for IPC messages.
   void OnDecode(base::SharedMemoryHandle handle, int32 id, uint32 size);
   void OnAssignPictureBuffers(const std::vector<int32>& buffer_ids,
                               const std::vector<uint32>& texture_ids);
   void OnReusePictureBuffer(int32 picture_buffer_id);
   void OnFlush();
   void OnReset();
   void OnDestroy();
 
   // Called on IO thread when |filter_| has been removed.
@@ skipping 49 matching lines @@
 
   // A map from picture buffer ID to TextureRef that have not been cleared.
   std::map<int32, scoped_refptr<gpu::gles2::TextureRef> > uncleared_textures_;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(GpuVideoDecodeAccelerator);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_GPU_MEDIA_GPU_VIDEO_DECODE_ACCELERATOR_H_